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From: Dan Carpenter <dan.carpenter@oracle.com>
To: David Airlie <airlied@linux.ie>, Jammy Zhou <Jammy.Zhou@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>,
	kernel-janitors@vger.kernel.org, Rex Zhu <Rex.Zhu@amd.com>,
	dri-devel@lists.freedesktop.org
Subject: [patch] drm/amd/powerplay: fix a reversed condition
Date: Mon, 04 Jan 2016 20:42:55 +0000	[thread overview]
Message-ID: <20160104204255.GB19867@mwanda> (raw)

This test was reversed so it would end up leading to a NULL dereference.

Fixes: 4630f0faae80 ('drm/amd/powerplay: add Carrizo smu support')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/cz_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/cz_smumgr.c
index e74023b..873a8d2 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/cz_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/cz_smumgr.c
@@ -818,7 +818,7 @@ static int cz_smu_fini(struct pp_smumgr *smumgr)
 		return -EINVAL;
 
 	cz_smu = (struct cz_smumgr *)smumgr->backend;
-	if (!cz_smu) {
+	if (cz_smu) {
 		cgs_free_gpu_mem(smumgr->device,
 				cz_smu->toc_buffer.handle);
 		cgs_free_gpu_mem(smumgr->device,

             reply	other threads:[~2016-01-04 20:42 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-04 20:42 Dan Carpenter [this message]
2016-01-04 21:17 ` [patch] drm/amd/powerplay: fix a reversed condition Alex Deucher
2016-01-05  9:06 ` SF Markus Elfring
2016-01-05 11:14   ` Dan Carpenter
2016-01-05 12:36     ` SF Markus Elfring

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